to display a summary of the configurations of all directlyattached Cisco devices

to display information about all Cisco devices that aredirectly connected to a local device

to display information about all Cisco networks in the WAN

to display addressing information about all remote routers

to display the names of all OSPF neighbors in the local area

15

Which connection modes are supported on a Frame Relay subinterface? (Choose two.)

dynamic

multicast

multipoint

multipoint-to-point

point-to-point

static

16

A mid-sized company has five remote locations with 55 endusers at each location. The network administrator was assigned two consecutive Class C networks. Which three interior routing protocols will support this addressing scheme? (Choose three.)

RIP v1

RIP v2

EIGRP

OSPF

BGP

17

Which type of protocol is used between routers to communicateand maintain tables?

non-routable

routable

routed

routing

18

The ISDN, Frame Relay, and HDLC encapsulations are definedat which layer of the OSI model?

network

session

data link

transport

physical

19

Which layer of the OSI model provides negotiation of datatransfer syntax?

application

presentation

session

transport

network

20

What can be created by borrowing bits from the host portionof an IP address?

extended IP addresses

additional IP addresses

segments

subnetworks

smaller collision domains

21

Which utility shows the route a packet takes to reach its destination?

netstat

ping

Telnet

traceroute

22

Refer to the graphic. This company was assigned a Class C networkaddress for its two sites. The network administrator subnettedaccordingly and configured each router with RIP. However, theserouters are unable to connect to each other. What could be the problem?

RIP cannot be used in place of a static route.

RIPv1 was configured instead of RIPv2.

RIPv2 was configured instead of RIPv1.

RIP does not support stub networks.

23

Which LMI types are available with Cisco routers?

ANSI, Cisco, HDLC

ANSI, Cisco, q933a

ANSI, Cisco, DLCI

Cisco, IETF, q933a

24

Which statements describe the operation of VLANs? (Choose two.)

All switch ports assigned to a VLAN are part of the samecollision domain.

All switch ports assigned to a VLAN are part of the samebroadcast domain.

Using VLANs to logically organize workgroups minimizeslatency in the network.

Members can be assigned to VLANs based on port ID,MAC address, or protocol.

Multiple VLANs can be assigned to a single, Layer 3 networkaddress and routers can be used to route traffic between VLANs.

25

All routers shown in the graphic are part of the same OSPF area.Which routers will PERTH engage in DR and BDR elections? (Choose three.)

LONDON

PALMER

CAIRO

FRANKLIN

26

How is RIP configured on a router?

RIP is configured globally and then assigned an IP address andsubnet mask.

RIP is configured globally and then applied to each interfacethat will participate in the RIP routing process.

RIP is configured individually on each interface that willparticipate in the RIP routing process.

RIP is enabled globally and then networks are associatedwith the RIP routing process.

27

In an effort to minimize traffic, an administrator decided to keepweb traffic from causing the ISDN link to come up by denyingWWW traffic to the 192.168.20.5 remote server. Two minutes after making changes to the configuration as shown in the graphic, the administrator notices that web traffic is still passing over the link.What is the most likely cause of the problem?

The dialer-group has not been applied to outbound traffic.

The access-list is incorrectly configured.

Broadcasts are creating "interesting" traffic and keeping the link active.

The command ip access-group 128 out is missing from the bri0/0 interface.

28

Which of the following describe the Spanning Tree Protocol?(Choose two.)

It prevents routing loops.

It prevents broadcasts in a switched network.

It operates at Layer 3.

It uses BPDUs to select the shortest path in a switched network.

It allows a router to load balance across redundant links.

It prevents switching loops.

29

Which of the following WAN services uses two data link layerencapsulations, one for data and one for signaling?

ISDN

Frame Relay

ATM

FDDI

30

What is the length of a MAC address?

12 bits

24 bits

38 bits

48 bits

31

What is another term for latency?

backoff algorithm

hold-down timer

propagation delay

redundancy

32

Within a Frame Relay network, which methods are used byswitches to inform DTEs of congestion?

CCP and LMI

CIR and LATE

DLCI and SPID

FECN and BECN

33

For the purpose of forwarding packets, which protocol managescommunication between routers regarding available routes ?

DNS

ICMP

RIP

ARP

CDP

STP

34

What enables routers to learn of destination networks?

proxy ARP

CAM table exchanges

host name tables

routing protocols

DNS lookups

35

Which command will display the name of the Cisco IOS currentlyrunning on a router?

show ip interfaces

show ip route

show cdp nei detail

show version

36

When connecting two routers from different vendors using adedicated point-to-point connection, which type of encapsulationshould be used?

Cisco

HDLC

IETF

PPP

37

Which fields are common to the TCP and the UDP segments?(Choose two.)

source address

sequence number

acknowledgement number

options

checksum

destination port

38

How are VLANs configured?

by moving switches to different router ports

by changing switchports for each host on the segment

by physically moving equipment to a different network

through software

through hardware

automatically with a plug and play module

39

Which commands will configure the router ports with IP addressesas shown in the diagram? (Choose three.)

Which packet-switched WAN technologies are characterized by the use of Permanent Virtual Circuits (PVCs)?

Frame Relay and ISDN

Frame Relay and X.25

ISDN and X.25

ISDN only

43

Which statement is correct concerning routing and routed protocols?

A routed protocol allows the routers to communicate with otherrouters and maintain tables for a routing protocol.

A routing protocol allows routers to communicate with otherrouters and maintain tables for a routed protocol.

Routers only need to use routing protocols to work properly.

There is no difference between routed and routing protocols.

44

Which of the following are commonly used routing metrics?(Choose three.)

ARP

hop count

window size

delay

load

media type

45

Which representations have the same meaning when representingthe subnet mask?

/10 and 255.224.0.0

/15 and 255.255.0.0

/21 and 255.255.248.0

/24 and 255.255.0.0

46

Which router parameters can be set from global configuration mode?(Choose two.)

IP address

Telnet password

hostname

console password

subnet mask

enable secret password

47

How many host addresses may be assigned on each subnetworkwhen using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?

30

256

2046

2048

4094

4096

48

What is used to resolve known IP addresses to unknown MAC addresses?

ARP

DNS

DHCP

RARP

49

What are the effects of LAN segmentation using a switch?(Choose three.)

dedicated bandwidth between source and destinations

enlarged collision domains

decreased broadcast domains

increased number of collision domains

increased latency in the network

50

Network broacast traffic from the Business Department isneedlessly reaching the Engineering Department LAN.What can be done to contain this traffic within the BusinessDepartment network while maintaining connectivity withenterprise servers and the Internet? (Choose two.)

Establish a VTP domain to contain the extraneous traffic.

Provide greater bandwidth to the Engineering Department LAN.

Utilize full-duplex Ethernet on the Engineering Department LAN.

Place the business department on a separate subnet and routebetween networks.

Change the switch IP address to an address on the EngineeringDepartment LAN.

Create separate VLANs and subnets for the two departmentsand route between the two.

51

Which address does a bridge use to build its bridging table?

destination IP address

destination MAC address

source IP address

source MAC address

52

What are the functions of a Layer 2 Ethernet switch? (Choose three.)

preventing broadcasts

increasing available bandwidth per user

decreasing the size of collision domains

isolating traffic among segments

routing traffic between different networks

decreasing the number of broadcast domains

53

In reference to the TCP/IP model, which protocol is used todetermine the network access layer address associated with a known Internet layer address?

ARP

ICMP

IP

RARP

TCP

UDP

54

Which ISDN channel is used for call setup?

B

D

X

SS-7

PRI

BRI

55

Which of the following is the reference point between the NT1and the phone company network?

How will data be transmitted from the router to the ISP ifthe router has the two links shown in the graphic?

Both links will transmit data at the same rate.

1544 bits can be transmitted simultaneously from therouter over the T1 line.

Both links will transmit bits one by one.

The 56K link will transmit a maximum of 53 bits atthe same time.

6

A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users.The ISP for this network can only supply five public IPs.What can be used to accomplish this task?

routable translation

dynamic translation

static translation

port address translation

7

Which of the following statements are true about Frame Relay?(Choose three.)

Frame Relay operation is defined by a series of ISO standards.

Frame Relay is a packet switched, connection-oriented,wide area network service.

Frame Relay only supports point-to-point connections.

A router can be considered as data terminal equipment(DTE) in a frame relay system.

Frame Relay networks use a subset of the HDLCprotocol to carry information.

8

Why would data frames be discarded in a Frame Relay network?(Choose two.)

The frame contains an incorrect IP address.

An error has been detected in computing theframe check sequence.

There is not enough bandwidth dedicated for the datacontained in the frame.

Data is transmitted at a rate greater than the access speed.

The frame contains an incorrect DLCI.

9

Which of the following can be concluded from the router outputdisplayed in the graphic? (Choose two.)

The local DLCI number of this PVC is 100.

The interface has been configured for subinterfaces and thismap is for subinterface 0.

Inverse ARP has determined the remote ip addressas 10.140.1.1.

The LMI type is ANSI (0x64).

There is currently no congestion on the link.

10

When planning simple WAN connections for a small company,which feature of the three layer hierarchical model makes it agood choice for the WAN topology.

It provides for redundancy.

It allows for easy WAN expansion in case of company growth.

It is less expensive.

It provides faster connection time.

It provides less latency and jitter.

11

The command output shown in the graphic was taken from a Cisco 806 broadband router. Which kind of addresstranslation is in effect on this router?

static

dynamic

overload

private

public

12

A network administrator has been asked to provide the network in the United States with an ISDN WAN link.The router available to provide the WAN connection is anon-modular Cisco router with two serial connections.What must be done to adapt one of the serial interfacesof this router for the ISDN connection?

It requires the receiving device to request that thesender retransmit erroneous frames.

FECN, BECN, and DE bits are set in the frames tominimize errors.

The receiving device drops any frames thatcontain errors without notifying the sender.

The frame relay switch notifies the sender that errorswere detected.

14

Which statements about DHCP are true? (Choose three.)

DHCP uses TCP.

DHCP uses UDP.

DHCP sends messages to the server on port 67.

DHCP sends messages to the server on port 68.

DHCP sends messages to the client on port 67.

DHCP sends messages to the client on port 68.

15

Which command configures the SPID on the first B channel of an ISDN interface?

Router(config)# isdn spid0 spid-number [ldn]

Router(config)# isdn spid1 spid-number [ldn]

Router(config-if)# isdn spid0 spid-number [ldn]

Router(config-if)# isdn spid1 spid-number [ldn]

16

Which command would produce the output shown in the graphic?

show ip dhcp server statistics

show ip dhcp binding

debug ip dhcp server events

debug ip dhcp binding

17

Which commands can be used to identify which DLCIs are active? (Choose two.)

show frame-relay map

show frame-relay lmi

show frame-relay pvc

show frame-relay interface

show interfaces

show ip route

18

When PPP authentication is enabled, which of the following may be checked before establishing a PPP link betweentwo devices? (Choose two.)

the enable password on the remote device

the ip host configuration on the remote device

the security server database for the usernameand password of the remote device

the hostname and enable password on the local device

the local database for the username and passwordof the remote device

19

Which of the following are supported by a BRI interface on arouter? (Choose two.)

Two independent channels that can carry analogdata with a bandwidth of 64 KHz.

A single 128 Kbps digital bearer channel.

Two multiplexed channels carrying digital data.

A single 64 Kbps signaling channel.

A multiplexed data channel that can only handle SS7 information.

A 16 Kbps delta channel used for signaling purposes.

20

An administrator consoled into the Jelly router needs totelnet to the Butter router. What DLCI will the Jelly router place in the frame to perform this operation?

110

115

220

225

21

What is placed in the address field of a frame that will travelfrom the DC office of ABC company to the Orlando office?

MAC address of the Orlando router

MAC address of the DC router

192.168.1.25

192.168.1.26

DLCI 100

DLCI 200

22

The WAN connection for a nationwide company with 250 offices must support constant connections to core layerservices for file sharing, and occasional Internet access.Which combination of WAN technologies will meet theseneeds with minimum expense?

Frame Relay PVC for Internet access and ATM for fileserver access

Frame Relay PVC for Internet access and ISDN for fileserver access

ISDN for Internet access and X.25 for file server access

ISDN for Internet access and Frame Relay PVC for fileserver access

23

What does a DLCI of 0 indicate about a frame? (Choose two.)

This is the first data frame sent by the router.

This is a management frame.

The encapsulation type is Cisco.

The encapsulation type is IETF.

The LMI type is Ansi or q933a.

The LMI type is Cisco.

24

A company needs a WAN connection that is capable of transferring voice, video, and data at a minimum datarate of 155 Mbps. Which WAN connection is the best choice?

X.25

DSL

ATM

ISDN BRI

ISDN PRI

25

What are three features of the CHAP protocol? (Choose three.)

exchanges a random challenge number duringthe session to verify identity

sends authentication password to verify identity

prevents transmission of login information inplain text

disconnects the PPP session if authentication fails

initiates a two-way handshake

26

Which of the following devices is used to establish thecommunications link between the customer equipmentand the local loop for digital lines?

terminal adapter

modem

CSU/DSU

PBX switch

ISDN switch

Frame Relay Switch

27

Which command would be used to exclude the IP address 192.168.24.5 from the DHCP address pool on a router?

Router(dhcp-config)# ip dhcp excluded-address 192.168.24.5

Router# ip dhcp excluded-address 192.168.24.5

Router(config-excluded)# ip dhcp excluded-address 192.168.24.5

Router(config)# ip dhcp excluded-address 192.168.24.5

Router(config)# excluded-address 192.168.24.5

Router(dhcp-config)# excluded-address 192.168.24.5

28

A router needs to forward a message received from a host.How does the router identify the correct VC to forward the message? (Choose two.)

The router forwards the frame to all ports in the networkand learns the address from the reply frame.

Which of the following switching types will allow the communication devices in the provider's network tobe shared and only allocated to an individual subscriberduring data transfer?

circuit-switched

packet-switched

frame-switched

dedicated-switched lines

lease-switched

30

Which of the following IP addresses are defined byRFC 1918 as private addresses? (Choose three.)

192.168.146.0/22

172.10.25.0/16

172.31.0.0/16

20.0.0.0/8

10.172.92.8/29

31

Which of the following describes the PAP protocol? (Choose two.)

sends unencrypted authentication passwords

performs a three-way handshake

allows repeated login attempts

uses the remote router hostname to verify identity

sends a random challenge throughout the session

32

Which of the following protocols can be used to encapsulatedata traffic sent from a router BRI interface? (Choose two.)

Link Access Protocol - Data

High-Level Data Link Control

Logical Link Control

Serial Data Link Control

Point to Point protocol

Binary Synchronous Control protocol

33

Which statement explains why basic DSL is an unpopular WAN connectivity choice for enterprise computerdepartments that support home users?

DSL offers insufficient bandwidth to home users.

DSL requires the installation of new cables, which is notalways possible for home users.

DSL dialup connection time is too slow for business use.

DSL has limited geographical availability.

34

Which of the following are functions of the Local ManagementInterface used in Frame Relay networks? (Choose three.)

exchange information about the status ofvirtual circuits

map DLCIs to network addresses

provide flow control

provide error notification

provide congestion notification

send keepalive packets to verify operation of the PVC

35

An ISDN router is configured for DDR as shown in the graphic to provide Internet connectivity for the company. Immediately after a user in the company attempts opensa web browser to connect to the Internet, another user in the company tries to download a file using FTP.What will happen? (Choose two.)

The user that opened the browser will connectto the Internet because the DDR link will considerthis traffic interesting.

The Internet user will be disconnected because the FTPdata will cause the DDR link to shut down.

The DDR link will allow the FTP traffic because it isinteresting.

The DDR link will not allow the FTP traffic because itis not interesting.

The FTP connection will fail because the DDR link isalready in use for the Internet connection.

The FTP connection will succeed because theweb user already opened the DDR link.

36

Which command will provide for CHAP authentication if the hostname on a challenging router is tampa with apassword of florida?

username tampa password florida

username tampa florida

hostname tampa password florida

hostname tampa florida

37

Which of the following is a function of a DCE device?

determines the next-hop address for a packet

multiplexes signals from several sources

adapts information for use on a service provider's network

used to directly connect two DTEs to simulate a WAN network

38

Which operating systems support multiuser capability? (Choose three.)

Linux

Windows 98

Windows ME

Windows XP

Windows 2000

39

Why was NAT created? (Choose two.)

to create firewalls on routers

to conserve IP addresses

to translate domain names into IP addresses

to map network addresses to the corresponding datalink address

to hide internal addresses from external devices

40

Which of the following terms describes a device that will putdata on the local loop?

DLCI

CO

DCE

DTE

PRI

BRI

41

How many separate B channel circuits can be provisioned on aPRI interface that uses a T1 line for connectivity?

2

16

23

24

30

128

42

The LAN attached to the Ethernet interface of the Raleigh routershown in the graphic is addressed with private IP addresses.If one public IP is assigned to the company, which commandscould be used in a configuration that allows all devices withprivate IPs in this network to access the Internet? (Choose two.)

ip nat inside source list 1 interface serial0 overload

ip nat outside source list 1 interface serial0 overload

ip nat inside serial0

ip nat inside source list 1 pool Raleigh overload

ip nat inside Raleigh overload

ip inside nat source list 1 interface serial0 Raleigh

43

Which of the following describes the WAN devices and cablingshown in the graphic? (Choose two.)

A null-modem cable is used between RouterD and DeviceCfor connectivity.

A DB-25 or DB-9 serial cable is connected to interface S0/0 ofRouterA.

DeviceB and DeviceC are DCE devices.

The same encoding scheme must be used by DeviceBand DeviceC.

A synchronous serial connection exists between DeviceB andDeviceC.

44

Which of the following are commonly used as Data Communications Equipment? (Choose two.)

modem

router

CSU/DSU

ISDN Switch

Frame Relay Switch

45

What does the command debug isdn q921 display?

exchange of call setup and teardown messages

PAP and CHAP authentication traffic

Layer 2 messages on the D channel

protocol errors and statistics

Layer 2 messages on the B channel

46

A technician is testing the functionality of a recently installedrouter. The technician is unable to ping the serial interface ofa remote router. The technician executes the show interface serial0/0 command on the local routerand sees the following line in the output: